[PATCH] drm/amdgpu: Remove duplicate setting of ->need_swiotlb

Thierry Reding thierry.reding at gmail.com
Tue Feb 20 10:44:50 UTC 2018


From: Thierry Reding <treding at nvidia.com>

There's no need to set this before the number of DMA bits has been
properly determined.

Signed-off-by: Thierry Reding <treding at nvidia.com>
---
 drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
index 9a170e37fbe7..9cc849f829d0 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
@@ -1086,7 +1086,6 @@ static int gmc_v8_0_sw_init(void *handle)
 	 */
 	adev->need_dma32 = false;
 	dma_bits = adev->need_dma32 ? 32 : 40;
-	adev->need_swiotlb = drm_get_max_iomem() > ((u64)1 << dma_bits);
 	r = pci_set_dma_mask(adev->pdev, DMA_BIT_MASK(dma_bits));
 	if (r) {
 		adev->need_dma32 = true;
-- 
2.15.1



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